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Security and Identity

Encrypting Data in Transit

One of the most critical security features, and one that is required for many modern
APIs and progressive web apps is
HTTPS, sometimes referred to as secure HTTP.

Some people mistakenly believe that the only sites that need HTTPS are sites that handle
some level of sensitive communication, like personal or financial data. But this isn't
true. Every site should be using HTTPS. HTTPS helps to prevent people from listening
in on what's crossing the wire, and helps prevent it from being tampered with while in
transit. Do you want your ISP or school to know every site you were looking at?

And if privacy and security weren't enough of a reason to protect your users, many new
browser features like service workers, the Payment Request API, and even some older
APIs like GeoLocation now require HTTPS.